Home / 21,375.74-32,055.39-8,901.65

Finding the Fourth Proportional to 21,375.74, 32,055.39 and 8,901.65

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Solution

The fourth proportional to 21,375.74, 32,055.39 and 8,901.65 is: 13,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375.74 : 32,055.39 = 8,901.65 : x
  2. Step 2: Convert to fraction form
    21,375.74/32,055.39 = 8,901.65/x
  3. Step 3: Cross multiply
    21,375.74x = 32,055.39 × 8,901.65
  4. Step 4: Simplify right side
    21,375.74x = 285,345,702.12
  5. Step 5: Solve for x
    x = 285,345,702.12/21,375.74
  6. Step 6: Final answer
    x = 13,349.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.